put together and having slots or keyways through .them. Etfects of shading or cross-hatching. J PATENT COLD In extensive and successful use by the best concerns in the country. They have no equals. Liberal discounts to Lines in sectional shading or cross-hatching made to the trade, fcend for… … and hexagon heads. Drawing different views of hexa- Western Office, 14 So. Canal Bt., Chicago. Works at Pittsburg, Pa. 93 ifc 94 I^IBERTY ST., NEW YORK. gon heads. To draw a square-headed bolt; to draw the ^R f n ^5 n per day at home. Samples worth $5 free. end view of a hexagon head. Use of tiie…
